Loans and Allowance for Credit Losses - Summary of Activity in Allowance for Loan Losses (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Allowance for credit losses - beginning balance | $ 97,368 | [1] | $ 84,235 | ||||||||
| Charge-offs | (97,243) | (87,579) | |||||||||
| Recoveries | 24,842 | 24,210 | |||||||||
| Benefit for credit losses | 89,822 | 76,502 | $ 37,810 | ||||||||
| Allowance for credit losses - ending balance | 114,789 | [2] | 97,368 | [1] | 84,235 | ||||||
| Recreation [Member] | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Allowance for credit losses - beginning balance | 71,102 | 57,532 | |||||||||
| Charge-offs | (75,486) | (69,349) | |||||||||
| Recoveries | 16,432 | 14,924 | |||||||||
| Benefit for credit losses | 73,908 | 67,995 | |||||||||
| Allowance for credit losses - ending balance | 85,956 | 71,102 | 57,532 | ||||||||
| Home Improvement [Member] | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Allowance for credit losses - beginning balance | 20,536 | 21,019 | |||||||||
| Charge-offs | (16,577) | (18,035) | |||||||||
| Recoveries | 5,423 | 4,094 | |||||||||
| Benefit for credit losses | 10,181 | 13,458 | |||||||||
| Allowance for credit losses - ending balance | 19,563 | 20,536 | 21,019 | ||||||||
| Commercial [Member] | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Allowance for credit losses - beginning balance | 5,190 | 4,148 | |||||||||
| Charge-offs | (5,165) | (71) | |||||||||
| Recoveries | 0 | 29 | |||||||||
| Benefit for credit losses | 9,027 | 1,084 | |||||||||
| Allowance for credit losses - ending balance | 9,052 | 5,190 | 4,148 | ||||||||
| Taxi Medallion [Member] | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Allowance for credit losses - beginning balance | [3] | 540 | 1,536 | ||||||||
| Charge-offs | [3] | (15) | (124) | ||||||||
| Recoveries | [3] | 2,987 | 5,163 | ||||||||
| Benefit for credit losses | [3] | (3,294) | (6,035) | ||||||||
| Allowance for credit losses - ending balance | [3] | $ 218 | $ 540 | $ 1,536 | |||||||
| |||||||||||